/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(UserFB.Model.Question model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Question set ");
strSql.Append("categoryID=@categoryID,");
strSql.Append("question=@question,");
strSql.Append("solution=@solution,");
strSql.Append("time=@time");
strSql.Append(" where questionID=@questionID");
SqlParameter[] parameters =
{
new SqlParameter("@categoryID", SqlDbType.Int, 4),
new SqlParameter("@question", SqlDbType.VarChar, 128),
new SqlParameter("@solution", SqlDbType.VarChar, 128),
new SqlParameter("@time", SqlDbType.SmallDateTime),
new SqlParameter("@questionID", SqlDbType.Int, 4)
};
parameters[0].Value = model.categoryID;
parameters[1].Value = model.question;
parameters[2].Value = model.solution;
parameters[3].Value = model.time;
parameters[4].Value = model.questionID;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(UserFB.Model.Question model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Question(");
strSql.Append("categoryID,question,solution,time)");
strSql.Append(" values (");
strSql.Append("@categoryID,@question,@solution,@time)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@categoryID", SqlDbType.Int, 4),
new SqlParameter("@question", SqlDbType.VarChar, 128),
new SqlParameter("@solution", SqlDbType.VarChar, 128),
new SqlParameter("@time", SqlDbType.SmallDateTime)
};
parameters[0].Value = model.categoryID;
parameters[1].Value = model.question;
parameters[2].Value = model.solution;
parameters[3].Value = model.time;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public UserFB.Model.Question DataRowToModel(DataRow row)
{
UserFB.Model.Question model = new UserFB.Model.Question();
if (row != null)
{
if (row["questionID"] != null && row["questionID"].ToString() != "")
{
model.questionID = int.Parse(row["questionID"].ToString());
}
if (row["categoryID"] != null && row["categoryID"].ToString() != "")
{
model.categoryID = int.Parse(row["categoryID"].ToString());
}
if (row["question"] != null)
{
model.question = row["question"].ToString();
}
if (row["solution"] != null)
{
model.solution = row["solution"].ToString();
}
if (row["time"] != null && row["time"].ToString() != "")
{
model.time = DateTime.Parse(row["time"].ToString());
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public UserFB.Model.Question GetModel(int questionID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 questionID,categoryID,question,solution,time from Question ");
strSql.Append(" where questionID=@questionID");
SqlParameter[] parameters =
{
new SqlParameter("@questionID", SqlDbType.Int, 4)
};
parameters[0].Value = questionID;
UserFB.Model.Question model = new UserFB.Model.Question();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(UserFB.Model.Question model)
{
return(dal.Update(model));
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(UserFB.Model.Question model)
{
return(dal.Add(model));
}